Pump.



' PATENTED SEPT. 25, 1906. A. E. PRAY & L. M. PHILBRIGK.

PUMP.

AEPLICATION FILED FEB. 19.1908.

.ZirihzzrEPmy Inventors y Attorneys Unrrnn srA rnsp i nNr orrion.

ARTHUR E. PRAY, OF ROME, AND LON M. PHILBRIOK. OF MOUNT VERNON, MAINE.

PUMP.

Specification of Letters Patent.

Patented Sept. 25, 1906.

To all, whom it may concern.-

Be it known that we, ARTHUR E. PRAY, residing at Rome, and Lori M.PHILBRICK, residing at Mount Vernon, in the county of Kennebec and Stateof Maine, citizens of the United States, have invented a new and usefulPump, of which the following is a specification.

This invention relates to pumps, and has for an object to provide a pumparranged to be operated by wave-power and embodying new and improvedfeatures of simplicity, utility, economy, and efficiency.

A further object of the invention is to provide a pump which requires noattaching to the bottom or other stationary objects, being secured onlysufficiently to prevent its [loatmg away.

With these and other objects in view the present invention consists inthe combination and arrangement of parts, as will be hereinafter fullydescribed, shown in the accomp anying drawings, and particularly pointedout in the appended claims, it being understood that changes in theform, proportion, size, and minor details may be made without departingfrom the spirit or sacrificing any of the advantages of this invention.

In the drawings, Figure 1 is a view of the pump in side elevation. Fig.2 is a vertical lon itudinal sectional view of the um).

Fig. 3 is a transverse sectional view taken on line 3 3 of Fig. 2. Fig.4 is a detail sectional view of one of the pistons.

Like characters of reference indicate corresponding parts in all of thefigures of the drawings.

In its preferred embodiment the improved pump forming the subject-matterof this application comprises a float 10, of any approved form, size,and construction and here shown as of barrel shape. From the under sideof the float is suspended a shell 11, of any approved form, size, andmaterial and here shown as a cylinder open at the top and bottom andsuspended from an eye 12, secured axially at its upper end to the radialbraces 13. The braces 13 are bent and extend downwardly along the sides,as the strips 14, to the middle of the shell, where they are rigidlysecured to a hoop 15, encircling the shell.

The shell is provided with a ring 16, secured about and within its upperend, and a similar ring 17, similarly secured in the lower end. l/Vithinthe shell is also mounted a frame, comprising the side pieces 18,somewhat shorter than the interval between the rings 16 and 17 and heldin circumferentiallyspaced juxtaposition to the inner surface of theshell by radial arms 19 adjacent the top and similar arms 20 adjacentthe bottom. Upon the radial arms 19 and 20 are respectively secureddiaphragms or heads 21 and 22, substantially closing the shell, butmovable therein together with the frame, the extended extremities of theside pieces 18 being positioned to engage the rings 16 and 17, andthereby limit the movement of the frame in each direction.

Axially upon the head 21 is secured a cylinder 23, with an open enddownward, and to the lower head 22 is similarly secured a similarcylinder 24, with its open end upward and in alinement with the cylinder23. Within the cylinders are disposed reciprocating pistons of the solidtype, as 25,which are connected by a rigid piston-rod 26, havingcentrally a ring 26*. A cross-arm is secured at its opposite ends to themiddle of the shell, as by the nuts 28, and comprises the sections 27and 27*, united, as by the bolts 27 between which the disk 27" ispivoted, as by the bolt 27 the said disk filling the ring 26. Thecylinder 23 is provided with any approved form of inlet and outletcheck-valves 29 and 30, respectively, while the cylinder 24 is similarlyprovided with checkvalves 31 and 32. The outlet check-valves and 32 areconnected by a pipe 33 which communicates with a flexible delivery tubeor conduit 34. ithin the frame are secured one or more buoyant members,as 35 and 36, of sufficient buoyant capacity to float the frame and itsrigidly-associated parts, if unimpeded. Adjacent the top of the shellrings 37 are attached to the strips, in which maybe engaged anchorlines,as 38, to prevent the device floating away. While the pistons 25 may beof any approved construction, they each are preferably formed with aperipheral groove 39, having openings 40 communicating with an axialopening 41. Within the groove is disposed a split ring 42, proportionedto leave a space between it and the bottom of the groove.

In operation the pump is suspended, as shown in Fig. 1. As waves passthe float 1O rises and falls in the usual manner, and with it the shell11, which carries with it the pistons 25. The heads 21 and 22 offerresistance-surfaces to the water in which they are suspended, so that asthe shell rises and falls by the action of the waves, carrying with itthe pistons, the frame and the cylinders are by the water heldapproximately stationary and the pistons reciprocate within thecylinders and pump water in the well-known manner and discharge itthrough the flexible pipe 37, which may be connected with any approvedpipe or the like. The action of the pistons against the water containedin the cylinders forces the water into the opening L1 and through theopenings 40 into the groove 39 to extend the split ring at each stroke,the ring contracting by its own resiliency on the return stroke, wherebythe piston engages the cylinder with operative friction only during thepumping half of the stroke. It will be readily seen that the anchors andanchorropes play no part in the operation of the pump and are preferablyrun to a considerable distance from the pump, so as to allow for ageneral rise and fall of the water due to tides or the like.

Having thus described the invention, what is claimed is 1. A wave-motorcomprising a float, a cylinder member and a piston member, one of saidmembers being supported by the float, and resistance-surfaces forengagement with the water and disposed above and below and movable withthe other member. 2. A wave-actuated motor comprising a float, acylinder member and a piston member, one of said members being supportedby the float, resistance-surfaces for engagement with the water anddisposed above and below and secured to the other member and movabletherewith.

3. A wave-actuated motor comprising a float, a piston suspended from thefloat, resistance-surfaces carried by but movable relative to the float,and cylinders interposed between and rigidly connected to theresistance-surfaces and embracing the piston ends.

4. A wave-actuated pump comprising a float, a shell suspended from thefloat, associated cylinder and piston members within the shell and withone of the said members rigidly connected therewith, a resistancesurfacemounted and movable within the shell and rigidly connected with theother member.

5. A wave-actuated pump comprising, a float, a shell suspended from thefloat and open. at opposite ends, a frame movably mounted within theshell and provided with resistance-surfaces substantially closing theopen ends and an associated cylinder and piston within the shell andframe and with said cylinder and piston rigidly secured one to the shelland the other to the frame.

6. A wave-actuated pump comprising, a float, a tubular shell suspendedfrom the float and open at both ends, a frame movably mounted within theshell and provided at each end with a head substantially closing theshell, associated cylinder and piston members within the shell and framewith the said members rigidly secured one to the shell and one to theframe, and a conduit communicating with the cylinder member.

7. A wave-actuated pumpicomprising a float, a tubular shell suspendedfrom the float and open at eachend, a frame movably mounted within butshorter than the shell, heads carried by the frame substantially closingthe shell, an associated and coacting cylinder and piston rigidlysecured within the shell and frame one to the frame and the other to theshell, means to limit the movement of the frame within the shell and aconduit communicating with the cylinder.

8. A wave-actuated pump comprising a float, a shell suspended from thefloat, a buoyant member within the shell, resistancesurfaces carried bythe buoyant members and movable within the shell and an associatedcylinder and piston within the shell and one secured to the shell andthe other to the buoyant member.

9. A wave-actuated pump comprising a float, a shell suspended from thefloat and open at each end, a frame movably mounted within the shell andhaving a head at each end substantially closing the shell, a buoyantmember within the shell and connected with the frame, an associated andcoacting. piston and cylinder within the shell and frame and rigidlyconnected one with the frame and the other with the shell, means tolimit the movement of the frame and a conduit communicating with thecylinder.

10. A'wave-actuated pump comprising a float, a tubular shell suspendedfrom the float and open at the top and bottom, a frame movably mountedwithin and con forming substantially to the form of but shorter than theshell, a buoyant member secured within the frame, an associated andcoacting cylinder and piston mounted vertically within the frame, across-bar secured at its end to the shell and at its middle to thepiston, means rigidly connecting the cylinder to the frame, headscarried by the frame substantially closing the shell, means to limit themovement of the frame and a conduit communicating with the piston.

In testimony that we claim the foregoing as our own we have heretoaffixed our signatures in the presence of two witnesses.

ARTHUR E. PRAY. LON M. PHILBRICK. WVitnesses for A. E. Pray:

LoUIs L. ANGELL, JULIUS H. JoHNsoN. Witnesses for Philbrick:

A. P. CRAM, B. R. ORAM.

